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ICPMS daily performance check report, April 22, 2002

Machine-extracted title · confidence 95%

Daily instrument performance verification log for ICPMS analysis including intensity and standard deviation data for multiple elements.

NYC-WTC_000040871–000040923

Folder label: “ICPMS 4/22/01

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NYC 9/11 Public Portal Document

WESTCHESTER COUNTY DEPT OF LABS AND RESEARCH Method 200.8 - Summary Report Sample ID: AE08683 Sample Date/Time: Monday, April 22, 2002 13:22:22 Sample Type: Sample Sample Description: Number of Replicates: 3 Method File: d:\elandata\Method\NEWQ200.8.mth Dataset File: d:\elandata\Dataset\NEWQ\NEWQ\AE08683.513 Aliquot Volume (mL): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit Be 9 7.333 15.746 -0.000 -0.02003 15.36 ug/L > Se-1 45 501002.467 2.646 501002.467 ug/L Cr 52 10975.731 0.338 0.006 0.29684 9.12 ug/L Cr 53 1486.803 3.573 0.001 0.56694 11.80 ug/L Mn 55 221245.471 1.569 0.438 15.13554 1.22 ug/L Ni 60 1164.086 2.273 0.002 0.38517 0.46 ug/L Cu 63 37129.411 2.790 0.073 6.66594 0.43 ug/L Cu 65 18257.499 1.186 0.036 6.61707 2.12 ug/L Zn 66 5250.902 0.680 0.047 2.81665 2.45 ug/L Zn 67 1077.075 2.142 0.010 3.12265 4.10 ug/L Zn 68 4550.851 0.609 0.041 3.30318 1.62 ug/L Ge 72 96502.246 1.935 96502.246 ug/L As 75 825.202 5.646 0.008 0.38991 5.74 ug/L Se 77 194.244 14.769 0.001 0.34245 45.13 ug/L Se 82 153.670 6.253 0.000 0.22490 15.00 ug/L Ag 107 112.335 9.765 -0.000 -0.04680 2.58 ug/L In 115 1309464.289 1.319 1309464.289 ug/L Sb 121 449.016 4.834 0.000 0.04665 3.92 ug/L Sb 123 351.205 7.546 0.000 0.04747 7.04 ug/L Ba 135 42766.792 1.004 0.024 16.24988 0.28 ug/L Ba 137 74669.829 0.899 0.042 16.32185 0.54 ug/L Ho 165 1759096.781 1.956 -0.004 ug/L Tb 159 1782362.879 0.738 1782362.879 ug/L Hg 201 47.667 13.650 -0.000 -0.01740 31.19 ug/L Hg 202 107.668 8.376 -0.000 -0.00967 38.80 ug/L Tl 205 857.049 3.761 -0.000 -0.00888 12.77 ug/L Pb 208 8200.197 4.461 0.004 0.19110 5.35 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff ’ Be 9 > Sc-1 45 118.054 Cr 52 Cr 53 Mn 55

Sample ID: AE08683 Report Date/Time: Monday, April 22, 2002 13:24:03 Page 1

NYC-WTC_000040916

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NYC-WTC_000040916Source: NYC Law Department, mirrored locally

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